A low-voltage 5.1-5.8-GHz image-reject downconverter RF IC
Why this work is in the frame
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Bibliographic record
Abstract
This paper describes a single-chip implementation of a low-voltage image-reject downconverter for a 5.1-5.8-GHz radio receiver. It consists of a low-noise preamplifier (LNA) that is simultaneously noise and power matched to the RF source, and dual doubly balanced mixers coupled to the LNA by a monolithic trifilar transformer. The image-reject architecture eliminates an RF filter, thereby simplifying packaging requirements. The downconverter realizes over 36 dB of image rejection while dissipating 24 mW from a 0.9 V supply, or 18.5 mW at 1.8 V. Conversion gain is 14 dB, IIP3=-5.5 dBm, and noise figure is 6.8 dB (single sideband 50 /spl Omega/) when operating from a 0.9 V supply.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it